Question: "What is {shape} of {marble}, whose {is not} is {ball} ?"
Paraphrase: "What is { shape } of { marble }, the { is not } of which is { ball }?"
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q200199 wdt:P1419 ?answer . ?answer wdt:P1889 wd:Q838611}